24 lines
751 B
Rust
24 lines
751 B
Rust
use std::env;
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fn main() {
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println!("cargo:rerun-if-changed=src/helpers.c");
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cc::Build::new()
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.warnings(true)
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.define(
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&format!("CFG_TARGET_OS_{}", env::var("CARGO_CFG_TARGET_OS").unwrap()),
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None,
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)
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.file("src/helpers.c")
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.compile("wasmtime-helpers");
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// Check to see if we are on Linux and the `memfd` feature is
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// active. If so, enable the `memfd` rustc cfg so `#[cfg(memfd)]`
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// will work.
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let os = env::var("CARGO_CFG_TARGET_OS").unwrap();
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let is_memfd = env::var("CARGO_FEATURE_MEMFD").is_ok();
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let is_uffd = env::var("CARGO_FEATURE_UFFD").is_ok();
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if &os == "linux" && is_memfd && !is_uffd {
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println!("cargo:rustc-cfg=memfd");
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}
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}
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